Reasons to choose Photosmart 635
Released in 2003, Photosmart 635 has about 15 mm² of sensor area, 2.1 MP effective resolution, and a 190 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
HP Photosmart 635
vs HP Photosmart 735
VS
Sensor area
15 mm²
Photosmart 63521 mm²
Photosmart 735- Area ratio
- 1.41:1
- Absolute difference
- 6 mm²
- Relative difference
- 40.6%
The Photosmart 735 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
Photosmart 635MetricPhotosmart 735
2.1 MPEffective pixels3.34 MP
4.5 × 3.37Sensor5.33 × 4
2.69 µmPixel pitch2.53 µm
7.22 µm²Pixel area6.38 µm²
13.85 MP/cm²Pixel density15.67 MP/cm²
7.7Crop factor6.49
—Maximum video—
190 gWeight290 g
MultiMedia, Secure DigitalStorageSecure Digital
AA (2) batteries (NiMH recommended)BatteryAA (2) batteries (NiMH recommended)
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The Photosmart 735 has the larger sensor area. The Photosmart 635 has the lighter body. The Photosmart 735 has the higher effective resolution. The Photosmart 635 and Photosmart 735 were both released in 2003. Also consider the lens system and subjects you shoot.
Reasons to choose Photosmart 735
Released in 2003, Photosmart 735 has about 21 mm² of sensor area, 3.34 MP effective resolution, and a 290 g body. Use these values to narrow the field, not as an overall image-quality score.